Meaning of the word "blood is thicker than water" in English

What does "blood is thicker than water" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

blood is thicker than water

US /blʌd ɪz ˈθɪk.ər ðæn ˈwɔː.t̬ər/
UK /blʌd ɪz ˈθɪk.ər ðən ˈwɔː.tər/
"blood is thicker than water" picture

Idiom

family relationships and loyalties are the strongest and most important ones

Example:
I know we've had our differences, but blood is thicker than water when things get tough.
He decided to help his brother despite their argument because blood is thicker than water.